Dispositif utilisable pour microphone à grande puissance et à correction, relais téléphonique et traducteur phonique pour machines parlantes,申请号FRD696968-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	Dispositif utilisable pour microphone à grande puissance et à correction, relais téléphonique et traducteur phonique pour machines parlantes
摘要
申请公布号	FR696968(A)	申请公布日期	1931.01.10
申请号	FRD696968	申请日期	1930.05.16
申请人		发明人	BILLON MARCEL
分类号	H04R11/00;H04R11/08	主分类号	H04R11/00
代理机构		代理人
主权项
地址

您可能感兴趣的专利

POINT OF JOINT OF SECTIONS OF ELECTRODE

IMMOBILISERING AV BIOMOLEKYLER MED INTENSIV ELEKTROFORETISK UTFAELLNING.

PIEZOELECTRIC CERAMIC MATERIAL

MIXTURE FOR PRODUCING HEAT INSULATING PRODUCTS

FIRE-RESISTANT STOCK

COMPOUND FOR BLACK PAVEMENT REPAIR

METHOD OF PRODUCING DICALCIUM PHOSPHATE

METHOD AND LINE FOR PALLETLESS PACKING OF A STACK OF ARTICLES

TURNSTILE SUPPORT

BOREHOLE DRILLING IN HIGH-PLASTIC ROCKS IN ROCK SALT DEPOSITS

DRIVING AXLE OF VEHICLE

SOUND-ABSORBING GYPSUM SLAB MANUFACTURING TECHNIQUE

DEVICE FOR CASTING OF POTTERY FILM

METHOD FOR TREATMENT OF FIBER BOARDS

DEVICE FOR FEEDING CANTS TO WOOD-WORKING SAWING MACHINE

GRIPPING DEVICE

COMPOUND FOR IMPREGNATING ABRASIVE TOOLS WITH CERAMIC BINDER

METHOD FOR DETERMINING OPTIMAL SPEED OF CUTTING

METHOD OF MANUFACTURE OF ARTICLES, PREFERABLY, OF CAMSHAFTS