发明授权
- 专利标题： Keyboard musical instrument and improved piano
- 专利标题（中）： 键盘乐器和改进钢琴
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申请号： US722398申请日： 1976-09-13
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公开(公告)号： US4130044A公开(公告)日： 1978-12-19
- 发明人: Takashi Yamada , Yasutoshi Kaneko , Kazuo Murakami
- 申请人： Takashi Yamada , Yasutoshi Kaneko , Kazuo Murakami
- 申请人地址： JPX
- 专利权人： Nippon Gakki Seizo Kabushiki Kaisha
- 当前专利权人： Nippon Gakki Seizo Kabushiki Kaisha
- 当前专利权人地址： JPX
- 优先权： JPX50-125929[U] 19750916; JPX50-156221[U]JPX 19751119
- 主分类号： G10C1/04
- IPC分类号： G10C1/04 ; G10C3/02
摘要：
A keyboard musical instrument such as a piano of relatively large size and heavy construction can be separated into two casings, each of which fully contains respective coacting elements of the instrument, for easy and free transportation, storage and access from outside.
公开/授权文献
- US5336668A Esters of alginic acid 公开/授权日：1994-08-09
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