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发明名称
Caliper attachment for outside micrometer calipers
摘要
申请公布号
US1956871(A)
申请公布日期
1934.05.01
申请号
US19310557962
申请日期
1931.08.19
申请人
EDWIN MAYMAN
发明人
MAYMAN EDWIN
分类号
G01B3/18
主分类号
G01B3/18
代理机构
代理人
主权项
地址
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