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Author | JSA |
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Editor | JSA |
Document type | Standard |
Format | File |
Confirmation date | 2017-10-20 |
ICS | 73.080 : Non-metalliferous minerals
|
Number of pages | 8 |
Year | 1950 |
Document history | |
Country | Japan |
Keyword | JIS 1003;1003;JIS M 1003-1957 |