United States government specification for coal-tar saturated rag felt for roofing and waterproofing.
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| Corporate Author: | |
| Other title: | Specification for coal-tar felt. |
| Format: | Government Document Book |
| Language: | English |
| Published: |
[Washington] :
[Govt. Print. Off.],
[1924]
|
| Series: | Circular of the Bureau of Standards ;
no. 156. |
| Subjects: |