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发明名称
Roll lift stand
摘要
申请公布号
US2130233(A)
申请公布日期
1938.09.13
申请号
US19350030072
申请日期
1935.07.06
申请人
F. X. HOOPER COMPANY, INC.
发明人
GREENWOOD HENRY B.
分类号
B65H19/12
主分类号
B65H19/12
代理机构
代理人
主权项
地址
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