| 发明名称 |
ENERGY SHUTTING IN TYPE PIEZO ELECTRICITY WAVE FILTER |
| 摘要 |
PURPOSE:To provide a piezo electricity wave filter equipped with porous, nonadhesive film in which a special gap is not formed. |
| 申请公布号 |
JPS5216944(A) |
申请公布日期 |
1977.02.08 |
| 申请号 |
JP19750092896 |
申请日期 |
1975.07.30 |
| 申请人 |
NGK SPARK PLUG CO |
发明人 |
SHIMANO ICHIROU;HOKAO JIYUNJI;YAMAMOTO TAKESHI |
| 分类号 |
H03H9/56;H03H3/02 |
主分类号 |
H03H9/56 |
| 代理机构 |
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代理人 |
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| 地址 |
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