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JJF 1245-1990 China industry standard english version:

 
JJ
中华人民共和国 行业标准
INDUSTRY STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

JJF 1245-1990

(Rockwell hardness of the base operating technical specifications)
洛氏硬度基准操作技术规范
Issued Date:1990   Implemented Date:1999-06-04
Issued by:   The Standardization Administration of the People's Republic of China
 

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GB Standard Code JJF 1245-1990
Standard Category China Metrological Standards
English Title (Rockwell hardness of the base operating technical specifications)
Chinese Title 洛氏硬度基准操作技术规范
Chinese Version Price $5.00 per page
English Translation Fee $15~$30 per page
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