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发明名称
摘要
申请公布号	JPH0414352(B2)	申请公布日期	1992.03.12
申请号	JP19830141107	申请日期	1983.08.03
申请人	NHK SPRING CO LTD	发明人	TAKAHASHI ATSUSHI;SUZUKI TAKESHI
分类号	G03B27/62;G03G15/04	主分类号	G03B27/62
代理机构		代理人
主权项
地址

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