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经营范围
发明名称
Oxidizer filters
摘要
申请公布号
US2857052(A)
申请公布日期
1958.10.21
申请号
US19550544227
申请日期
1955.11.01
申请人
PUROLATOR PRODUCTS, INC.
发明人
SEARLE BOURQUIN E.
分类号
C02F1/64
主分类号
C02F1/64
代理机构
代理人
主权项
地址
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