Invention Grant
- Patent Title: Pipe heater construction
- Patent Title (中): 管道加热器施工
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Application No.: US70477433Application Date: 1933-12-30
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Publication No.: US2034362APublication Date: 1936-03-17
- Inventor: WATTS GEORGE W , MATHEWS WALLACE B
- Applicant: STANDARD OIL CO
- Assignee: Standard Oil Co
- Current Assignee: Standard Oil Co
- Priority: US70477433 1933-12-30
- Main IPC: C10G9/20
- IPC: C10G9/20
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