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发明名称
Tension indicator
摘要
申请公布号
US1872087(A)
申请公布日期
1932.08.16
申请号
US19280280928
申请日期
1928.05.26
申请人
MARTIN-DECKER CORPORATION
发明人
MARTIN WALTER R.
分类号
G01G5/04
主分类号
G01G5/04
代理机构
代理人
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地址
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