Gas cylinder and cylinder valve threads [microform]
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| Format: | Government Document Microfilm Book |
|---|---|
| Language: | English |
| Published: |
Washington, D.C. :
[publisher not identified],
1930.
|
| Series: | National Screw Thread Commission Doc. ;
No. 147. |
| Subjects: |
Norlin Library - Government Information - Microform
| Call Number: |
EBD C13.23-147
|
|---|---|
| EBD C13.23-147 | Restricted Place a Hold |