HELIX TRAVELLING-WAVE TUBE AND MANUFACTURE THEREOF,申请号JP19890090629-传众专利搜索

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发明名称	HELIX TRAVELLING-WAVE TUBE AND MANUFACTURE THEREOF
摘要
申请公布号	JPH02177235(A)	申请公布日期	1990.07.10
申请号	JP19890090629	申请日期	1989.04.12
申请人	TOSHIBA CORP	发明人	SUENAGA SEIICHI;NAKABASHI MASAKO;TAKEDA HIROMITSU;IDE HIDEKI
分类号	H01J9/14;H01J23/24	主分类号	H01J9/14
代理机构		代理人
主权项
地址

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