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发明名称
Pad roller and mounting therefor
摘要
申请公布号
US2073224(A)
申请公布日期
1937.03.09
申请号
US19350025423
申请日期
1935.06.07
申请人
UNITED RESEARCH CORPORATION
发明人
ROSS ERNEST
分类号
G03B1/42
主分类号
G03B1/42
代理机构
代理人
主权项
地址
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