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
Piano action
摘要
申请公布号
US2353074(A)
申请公布日期
1944.07.04
申请号
US19420451544
申请日期
1942.07.20
申请人
PRATT, READ & COMPANY
发明人
POTWIN JULIAN C.
分类号
G10C3/16
主分类号
G10C3/16
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Anesthetic compositions containing benzocaine
Disazo dyestuffs having an acylamino group and an aromatic-oxy group on different terminal moieties
Artificial flower making template and method
Mercury removal process and apparatus
Desizing of textiles consisting of or containing cellulose
Flares
Method for polymerizing pyrrolidone with preheating of catalyst solution
Fractionator tray valve
Quaternary and basic azamethine compounds and their use as colorants
Method for manufacturing synthetic resin laminate tubing having a high bursting strength
Microfiche recording system with traveling film head
Optical signal processing device
Wheel trim device
Snow ski having air cushion forming undersurface
Mold apparatus with elastic clamping means
Positioning apparatus for boom structures
Reinforced plastic tank
Scraper device
Insulation cap for disappearing stairwells
Soil cultivating implement
