GB/T 8987-1988 Replaced National standards

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

Publish Date: 1988-04-10 Implement Date: 1988-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 8987-1988

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Library, archives, literature, and information work

ICS Name: Document imaging technology

Publish Date: 1988-04-10

Implement Date: 1988-12-01

Publisher: National Standards Bureau

Pages: 4 pages

Development Information

Drafting Units:

Chinese Academy of Sciences Institute of Photochemistry

Drafting Persons:

He Guangqian and Pei Zhaoyun

Word Count: 6 Thousand words Pages: 4 pages

Superseded by the following standards

GB/T 8987-2008 Micrographics—Test target for checking optical density of negative microimages in microfilming

Adopt standards

DIN 19051-80

Related Standards

GB/T 7519-1987 Abolished

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

Publish Date: 1987-03-25

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