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发明名称
COUNTERBALANCE WEIGHTS
摘要
申请公布号
US3501021(A)
申请公布日期
1970.03.17
申请号
USD3501021
申请日期
1967.12.20
申请人
BERNARD DOV SCHREIER;JOHN BROWN
发明人
BERNARD DOV SCHREIER;JOHN BROWN
分类号
B66C23/76;(IPC1-7):B66C23/72
主分类号
B66C23/76
代理机构
代理人
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