Invention Grant
- Patent Title: Composition and device for treating trees
- Patent Title (中): 用于处理树木的组成和装置
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Application No.: US80727559Application Date: 1959-04-20
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Publication No.: US3074207APublication Date: 1963-01-22
- Inventor: LOUIS LAING ROBERT
- Applicant: LOUIS LAING ROBERT
- Assignee: Laing Robert Louis
- Current Assignee: Laing Robert Louis
- Priority: US80727559 1959-04-20
- Main IPC: A01G1/06
- IPC: A01G1/06 ; A01G29/00
Information query
