首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
Improvements in automatic record-changing mechanism for gramophones
摘要
申请公布号
GB661862(A)
申请公布日期
1951.11.28
申请号
GB19470028431
申请日期
1947.10.24
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
G11B3/085;G11B17/16
主分类号
G11B3/085
代理机构
代理人
主权项
地址
您可能感兴趣的专利
COMPOSITION CONTAINING HYDRAZINE DERIVATIVES
ROTARY FINGER BUFF
BIS AZO DYES
CORRUGATED SHEATHING SYSTEMS
ANTI MICROBIAL COMPOSITIONS
PROCESS FOR ANTHRAQUINONES FROM NAPHTHALENE VIA NAPHTHOQUINONE
OIL WELL TUBING CLEANER
PACKING CASES MORE PARTICULARLY FOR SHEETS OF WINDOW GLASS
PACKAGING MATERIAL OF PAPER WITH POLYVINYL CHLORIDE OR POLYVINYLIDENE CHLORIDE COATING
POLYMER BLENDS
WIRING DEVICE
PNEUMATIC TIRE LINER
WELDED TRAILER TANK AND METHOD OF CONSTRUCTING IT
SYNTHESIS OF PHENYLAMINO PROPANEDIOL ALKYLETHERS AND INTERMEDIATES OBTAINED THEREBY
THERMOSTABLE WOOD PRESERVATIVE CONTAINING PENTACHLOROPHENOL
PULSE SHAPING CIRCUIT
EXTERNAL RELUCTANCE SOLENOID
DIFUNCTIONAL POLYMERS AND METHODS FOR THEIR PREPARATION
SCREEN STRUCTURE
BRINE GENERATOR