Invention Grant
- Patent Title: Building construction
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Application No.: US71061034Application Date: 1934-02-10
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Publication No.: US2113284APublication Date: 1938-04-05
- Inventor: SWENSON GEORGE E
- Applicant: CELOTEX COMPANY
- Assignee: Celotex Company
- Current Assignee: Celotex Company
- Priority: US71061034 1934-02-10
- Main IPC: E04B1/62
- IPC: E04B1/62
Information query
IPC分类: