MULTIPLE STAGE SPROCKET DEVICE FOR BICYCLE,申请号JP19900253738-传众专利搜索

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发明名称	MULTIPLE STAGE SPROCKET DEVICE FOR BICYCLE
摘要
申请公布号	JPH04129894(A)	申请公布日期	1992.04.30
申请号	JP19900253738	申请日期	1990.09.20
申请人	MAEDA KOUGIYOU KK	发明人	KOBAYASHI JUN
分类号	B62M9/10	主分类号	B62M9/10
代理机构		代理人
主权项
地址

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