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
Safety primer for electric blasting caps
摘要
申请公布号
US2300225(A)
申请公布日期
1942.10.27
申请号
US19380243358
申请日期
1938.12.01
申请人
HERCULES POWDER COMPANY
发明人
JOHNSON JOHN B.
分类号
F42B39/30
主分类号
F42B39/30
代理机构
代理人
主权项
地址
您可能感兴趣的专利
CHASSIS DYNAMOMETER
POSITIONING SATELLITE RECEIVER, AND TTFF INSPECTION METHOD FOR COLD START MODE THEREFOR
TIRE FAILURE DETECTION METHOD AND DEVICE
CRACK INVESTIGATION METHOD AND CRACK INVESTIGATION DEVICE FOR STEEL STRUCTURE
SPECTROSCOPIC DETECTOR
HANDLE MECHANISM
FLIP-FLOP FOR SCANNING AND SEMICONDUCTOR INTEGRATED CIRCUIT THEREOF
METHOD AND DEVICE FOR IMAGING ULTRASONIC WAVE PROPAGATION
TIRE TESTING DEVICE AND TIRE TESTING METHOD
FBG STRAIN SENSOR SYSTEM
WORKING TEMPERATURE ESTIMATION METHOD OF STEEL MATERIALS, AND MAINTENANCE PROCEDURE OF ELEVATED TEMPERATURE EQUIPMENT
BASE PAPER FOR COATING LAYER INSPECTION AND INSPECTION METHOD
EVALUATION METHOD AND CONTAINER FOR EVALUATION OF MATERIAL FOR SEMICONDUCTOR WAFER STORAGE CONTAINER, AND EVALUATION METHOD OF RESIN MATERIAL
PRESSURE CONVERSION TYPE DETECTION DEVICE
HYDROGEN PERMEABLE MEMBRANE, HYDROGEN SENSOR AND HYDROGEN SENSING METHOD
PRESSURE SENSITIVE SENSOR AND SWITCHING DEVICE
ASSEMBLING STRUCTURE OF PROBE
LOAD TRANSMISSION MECHANISM
REFRIGERATION CYCLE DEVICE
DOWNWARD MOVING BED TYPE FURNACE
