Invention Grant
- Patent Title: Preparation of foundation columns
- Patent Title (中): 基础柱的准备
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Application No.: US69225533Application Date: 1933-10-05
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Publication No.: US2071046APublication Date: 1937-02-16
- Inventor: SMITH EDWARD A
- Applicant: RAYMOND CONCRETE PILE CO
- Assignee: Raymond Concrete Pile Co
- Current Assignee: Raymond Concrete Pile Co
- Priority: US69225533 1933-10-05
- Main IPC: E02D5/38
- IPC: E02D5/38
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