发明名称 |
Take-out meter for use in association with a conventional retractable measuring tape |
摘要 |
A take-out meter for attachment to a conventional metal retractable tape measure permitting use of the tape measure with architectural/engineering drawing measurements without the need for repetitive subtractions of fittings measurements.
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申请公布号 |
US5815940(A) |
申请公布日期 |
1998.10.06 |
申请号 |
US19970847562 |
申请日期 |
1997.04.24 |
申请人 |
VALENTINE, SR., COOPER |
发明人 |
VALENTINE, SR., COOPER |
分类号 |
G01B3/10;(IPC1-7):G01B3/10 |
主分类号 |
G01B3/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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