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发明名称
Device for removing putty from window sashes
摘要
申请公布号
US2161040(A)
申请公布日期
1939.06.06
申请号
US19370119299
申请日期
1937.01.06
申请人
HARMON JR LAWRENCE E
发明人
JR. LAWRENCE E. HARMON,
分类号
E04F21/32
主分类号
E04F21/32
代理机构
代理人
主权项
地址
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