Diaphragme vibrant pour appareils sonores,申请号FRD738415-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	Diaphragme vibrant pour appareils sonores
摘要
申请公布号	FR738415(A)	申请公布日期	1932.12.26
申请号	FRD738415	申请日期	1931.10.02
申请人		发明人	BERTHON RODOLPHE
分类号	H04R7/26	主分类号	H04R7/26
代理机构		代理人
主权项
地址

您可能感兴趣的专利

初中数学绘图板

包装盒片材(奎科减肥酥2)

Pharmaceutical compositions based on acriflavine useful for the treatment of herpes and zona.

Processes for the preparation of N-(long-chain acyl)amino acid and salt thereof, and intermediate amidonitrile and process for the preparation thereof.

Nucleotide sequences coding for a protein with urease activity.

Purgeable multiple-orifice drop-on-demand ink jet head having improved jetting performance and methods of operating it.

Optical compensatory sheet and liquid crystal display having the same.

Process for making isocyanatoorganosilanes.

Ink transfer medium and image formation using the same.

Plasma etch reactors and methods of operating thereof.

Optical current transducer.

Multiplier capable of calculating double precision, single precision, inner product and multiplying complex numbers.

Infra-red sensitive aqueous wash-off photoimaging element.

Pesticidal compositions.

Opto-electronic memory systems.