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发明名称
PIPE BOWL CLEANER
摘要
申请公布号
CA444580(A)
申请公布日期
1947.10.21
申请号
CAD444580
申请日期
申请人
OLAF HALVERSON
发明人
OLAF HALVERSON
分类号
主分类号
代理机构
代理人
主权项
地址
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