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发明名称
Apparatus for and method of production of optical branching element and its components
摘要
申请公布号
GB2053784(A)
申请公布日期
1981.02.11
申请号
GB19800020902
申请日期
1980.06.26
申请人
SIEMENS AG
发明人
分类号
B29D11/00;G02B6/28;(IPC1-7):B29D11/00;G02B7/26
主分类号
B29D11/00
代理机构
代理人
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