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经营范围
发明名称
Leveling and plumbing device and elements thereof
摘要
申请公布号
US2635350(A)
申请公布日期
1953.04.21
申请号
US19480057517
申请日期
1948.10.30
申请人
BETTEGA LOUIS C
发明人
BETTEGA LOUIS C.
分类号
G01C9/36
主分类号
G01C9/36
代理机构
代理人
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地址
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