GB/T 24260-2020 Petroleum seismic geophone

GB/T 24260-2009 Petroleum seismic geophone

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability) GB/T 4130-2000 Acoustics—Low frequency calibration methods of hydrophones GB/T 4130-2017 Acoustics—Low frequency calibration methods of hydrophones GB/T 6587-2012 General specification for electronic measuring instruments GB/T 6587.1-1986 Environmental tests program for electronic measuring instruments GB/T 6587.2-1986 Temperature tests for electronic measuring instruments GB/T 6587.3-1986 Humidity tests for electronic measuring instruments GB/T 6587.4-1986 Vibration tests for electronic measuring instruments GB/T 6587.5-1986 Shock tests for electronic measuring instruments GB/T 6587.6-1986 Transportation tests for electronic measuring instruments GB/T 6587.7-1986 Basic safety tests for electronic measuring instruments GB/T 6587.8-1986 Line frequency and voltage tests for electronic measuring instruments SY/T 5585-2023 seismic exploration cable SY/T 5585-2014 Special earthquake exploration cable SY/T 5585-2009 Earthquake seismic telemetry cable electrical parameter testing method SY/T 5585.1-1993 Electrical parameter testing method for seismic data transmission cables: Characteristic impedance and propagation time testing Characteristic impedance and propagation time testing SY/T 5585.2-1993 SY/T 5585.2-1993 Earthquake telemetry cable test method for electrical parameters - Characteristic impedance and propagation time testing - Working attenuation testing SY/T 5585.3-1993 SY/T 5585.3-1993 Earthquake data transmission cable electrical parameter testing method: Characteristic impedance and propagation time testing, and crosstalk attenuation testing SY/T 5585.4-1993 Seismic data transmission cable electric parameter testing method includes characteristics impedance and propagation time testing, as well as DC resistance, insulation resistance, working capacitance, simulation testing, etc GB/T 4130.2-2024 Acoustics—Calibration of hydrophones—Part 2:Procedures for low frequency pressure calibration GB/T 4130.1-2025 Acoustics—Calibration of hydrophones—Part 1:Procedures for free-field calibration GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/T 2829-2025 Sampling procedures and tables for periodic inspection by attributes(Apply to inspection of process stability)