United States government specification for hand grit soap /
| Korporace: | |
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| Typ dokumentu: | Kniha |
| Jazyk: |
angličtina |
| Vydavatel: |
Washington :
Government printing Office,
1922.
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| Edice: |
Circular of the Bureau of Standards ;
No. 132 Standard specification No. 35 |
| Předmět: | |
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