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经营范围
发明名称
Prepared roofing
摘要
申请公布号
US1976948(A)
申请公布日期
1934.10.16
申请号
US19300485041
申请日期
1930.09.29
申请人
THE LEHON COMPANY
发明人
LEHON THOMAS B.
分类号
D06N5/00
主分类号
D06N5/00
代理机构
代理人
主权项
地址
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