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发明名称
Mechanic hand level
摘要
申请公布号
US2665485(A)
申请公布日期
1954.01.12
申请号
US19510245847
申请日期
1951.09.10
申请人
LOWIS WALTER C
发明人
LOWIS WALTER C.
分类号
G01C9/32
主分类号
G01C9/32
代理机构
代理人
主权项
地址
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