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发明名称
Quill nozzle
摘要
申请公布号
US2309384(A)
申请公布日期
1943.01.26
申请号
US19410419509
申请日期
1941.11.17
申请人
DOWNING SR FRANK B
发明人
SR. FRANK B. DOWNING,
分类号
D07B7/02
主分类号
D07B7/02
代理机构
代理人
主权项
地址
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