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发明名称
Machine for making tapered cement asbestos shingles
摘要
申请公布号
US2118762(A)
申请公布日期
1938.05.24
申请号
US19360088759
申请日期
1936.07.03
申请人
THE LEHON COMPANY
发明人
JR. ARTHUR G. LEONARD,
分类号
B28B1/42;B28B1/52
主分类号
B28B1/42
代理机构
代理人
主权项
地址
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