,申请号JP19820021871-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称
摘要
申请公布号	JPS6211155(B2)	申请公布日期	1987.03.11
申请号	JP19820021871	申请日期	1982.02.12
申请人	MATSUDA KK	发明人	MASHITA TOORU;NISHIO TAIJI;SATO OSAMU
分类号	E21B7/02;E21B15/00;E21B15/04;E21B19/08;F42D1/08;F42D3/04	主分类号	E21B7/02
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Device for recovering fuel from subterraneous fuel-carrying deposits by heating in their natural location using a chain heat transfer member

Hoist and safety mechanism therefor

Flangeway bar guard block

Means for connecting a calculator with a printer or other recording means

Selective chlorination of beryl

Rack for facilitating opening of a wardrobe trunk

Carton with folding spout

Dropper cap for a bottle

Cartridge dispenser

Control for water softeners

Carbon ribbon supply for typewriters

Automatic brake adjustor

Sliding block seal

Acoustic device

Automatic closure means for tank filling line

Perfluoro amine compounds

A process for the preparation of trichloromethane phosphonic acid monohydrate and anhydrous trichloromethane phosphonic acid; and the resulting monohydrate and anhydrousacid

Process for the manufacture of chitosan derivatives

Data recording equipment