Improvements in mechanical lead pencil,申请号GB19360020779-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	Improvements in mechanical lead pencil
摘要
申请公布号	GB472350(A)	申请公布日期	1937.09.22
申请号	GB19360020779	申请日期	1936.07.27
申请人	EAGLE PENCIL COMPANY	发明人
分类号	B43K21/08	主分类号	B43K21/08
代理机构		代理人
主权项
地址

您可能感兴趣的专利

SEMICONDUCTOR WAFER HAVING NOTCH

THERMALLY-ACTUATED OVERLOAD RELAY

METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE

ELECTRONIC CAMERA

PAPER FEEDING DEVICE AND IMAGE FORMING DEVICE

INK-JET HEAD, CARRIAGE, AND INK-JET PRINTING APPARATUS

TRUING METHOD, TRUER, AND FIELD IN-PROCESS DRESSING GRINDING METHOD

Substrate for alkaline storage battery, process for producing the same and alkaline storage battery

Self docking electrical connector

Bus system for shadowing registers

Method and system for communicating interrupts over a network between nodes of a multinode computer system

Modeling method of MOSFET

Dual band direct conversion receiver

Optical fiber with numerical aperture compression

Image processing apparatus and method

Digital signal framing systems and methods

Vibration damping system and servowriter

Magneto-optical recording medium capable of recording multiple value signals

Ferroelectric storage device