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发明名称
METHOD AND APPARATUS FOR VACUUM CLEANING
摘要
申请公布号
CA880976(A)
申请公布日期
1971.09.14
申请号
CAD880976
申请日期
申请人
JET LINE PRODUCTS
发明人
JAMES C. HAMRICK
分类号
主分类号
代理机构
代理人
主权项
地址
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