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发明名称
Delivery system
摘要
申请公布号
US1921968(A)
申请公布日期
1933.08.08
申请号
US19300446084
申请日期
1930.04.21
申请人
PHILLIPS PETROLEUM COMPANY
发明人
ENDACOTT PAUL S.
分类号
B42F17/30;B42F21/02
主分类号
B42F17/30
代理机构
代理人
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