变压吸附
专利名称:ULTRASONIC HORN
苍老的近义词
发明人:KATAYAMA SUSUMU,INOUE HIRONOBU 申请号:JP2198377工会送清凉
申请日:19770228
演讲比赛流程
耐心的英文公开号:JPS53107327A
公开日:
19780919新年祝福语图片
专利内容由知识产权出版社提供
阿花的故事
摘要:PURPOSE:To enhance the directional pattern by providing a partition plate of a small-diameter aperture at the intermediate part of the horn cylinder.
申请人:MATSUSHITA ELECTRIC WORKS LTD
描写日出的词语
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