发明名称 |
DEVICE FOR MEASURING EXPANSION MULTISTAGE BOOM |
摘要 |
PURPOSE:To measure the expansion length of the boom with the rotation of a rotary drum by providing the necessary rotary drum on the side of the base boom and by stretching cables between the boom and drum. |
申请公布号 |
JPS51126164(A) |
申请公布日期 |
1976.11.04 |
申请号 |
JP19750050521 |
申请日期 |
1975.04.25 |
申请人 |
NIPPON GUROOBU KK |
发明人 |
SHIMIZU MASAYUKI;TSUJI YUUICHIROU |
分类号 |
G01B3/08;B65H75/42;B66C23/90;G01B5/02;G01B5/04 |
主分类号 |
G01B3/08 |
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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