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发明名称
Telescope for endoscopic instruments and the like
摘要
申请公布号
US2244568(A)
申请公布日期
1941.06.03
申请号
US19390284339
申请日期
1939.07.13
申请人
WILLIAM N. ALLYN
发明人
PALMETER HARRY E.
分类号
G02B23/24
主分类号
G02B23/24
代理机构
代理人
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