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经营范围
发明名称
Drain strainer
摘要
申请公布号
US1950817(A)
申请公布日期
1934.03.13
申请号
US19330656127
申请日期
1933.02.10
申请人
JESS ROSSMAN
发明人
ROSSMAN JESS
分类号
E03C1/264
主分类号
E03C1/264
代理机构
代理人
主权项
地址
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