GB/T 7519-1987 Abolished National standards

GB/T 7519-1987 Micrographics—Determination of residual thiosulphate in processed microfilm—Methylene blue method

Publish Date: 1987-03-25 Implement Date: 1987-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 7519-1987

Standard Type: National standards

Standard Status: Abolished

is_force_gb: no

CCS Name: Films and photography techniques

ICS Name: Document imaging technology

Publish Date: 1987-03-25

Implement Date: 1987-12-01

Publisher: National Standards Bureau

Technical Committee: The Coding Center of the National Standards Bureau

Pages: 6 pages

Development Information

Drafting Units:

School of Archives, Renmin University of China

Drafting Persons:

Liu Fengzhi, Yu Lianxiang, Chen Lei, and Fan Zhuolian

Word Count: 9 Thousand words Pages: 6 pages

Adopt standards

ISO 417-1977

Related Standards

GB/T 8987-1988 Replaced

GB/T 8987-1988 Micrographics—Test target of optical density measurement for microfilming negative

Publish Date: 1988-04-10

GB/T 8988-1988 Replaced

GB/T 8988-1988 Micrographics—Manufacture of test target for inspecting the quality of micrography of technical drawings

Publish Date: 1988-04-10

GB/T 8990-1988 Replaced

GB/T 8990-1988 Micrographics—Reflectance test target used in the test target for inspecting the quality of micrography of technical drawing

Publish Date: 1988-04-10

GB/T 12355-1990 Replaced

GB/T 12355-1990 Micrographics—Splices of microfilm with image

Publish Date: 1990-06-11

GB/T 12356-1990 Replaced

GB/T 12356-1990 Micrographics—Test object character and instruction for 16mm microfilm recorder

Publish Date: 1990-06-11

GB/T 13424-1992 Abolished

GB/T 13424-1992 Specifications for microfilm processors

Publish Date: 1992-04-16