| 发明名称 |
Frequency meter |
| 摘要 |
|
| 申请公布号 |
US2403809(A) |
申请公布日期 |
1946.07.09 |
| 申请号 |
US19410407993 |
申请日期 |
1941.08.22 |
| 申请人 |
RAY L. TRIPLETT |
发明人 |
LINGEL FREDERICK J. |
| 分类号 |
G01R23/02 |
主分类号 |
G01R23/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
您可能感兴趣的专利
CIRCUIT DEVICE
PIEZOELECTRIC VIBRATING REED, PIEZOELECTRIC VIBRATOR, OSCILLATOR, ELECTRONIC EQUIPMENT, AND RADIO CLOCK
CONDUCTIVE PATTERN FORMATION SUBSTRATE, METHOD OF MANUFACTURING THE SAME, AND INPUT DEVICE
METHOD OF DISMANTLING HEAT EXCHANGER
CLOSING DEVICE WITH DECELERATION MECHANISM FOR DOOR
MOLDED ARTICLE
MULTIPOLE SPEAKER GROUP AND ARRANGEMENT METHOD THEREOF, ACOUSTIC SIGNAL OUTPUT DEVICE AND METHOD THEREOF, ACTIVE NOISE CONTROL DEVICE AND SOUND FIELD REPRODUCTION DEVICE USING METHOD, AND METHODS THEREOF AND PROGRAM
IMAGE FORMING APPARATUS
MULTI-CORE WRITING TOOL
THIN FILM MANUFACTURING APPARATUS
DISTANCE IMAGE GENERATION DEVICE AND METHOD
COMMUNICATION SYSTEM
STRUCTURE, AND METHOD OF MANUFACTURING THE SAME
CIRCUIT BOARD, SEMICONDUCTOR MODULE USING THE SAME, AND CIRCUIT BOARD MANUFACTURING METHOD
DEVICE AND METHOD FOR PROCESSING IMAGE, AND PROGRAM
TWO-PIECE CABLE TIE SUITABLE FOR USE IN AN AUTOMATED CABLE TIE INSTALLATION TOOL
AUXILIARY TOOL FOR FORMING PLANE OF TILE SURFACES
SPIN TRANSISTOR AND MAGNETIC DEVICE
COMMUNICATION RELAY METHOD, COMMUNICATION RELAY PROGRAM AND COMMUNICATION RELAY DEVICE
MEMORY DEVICE AND OPERATING METHOD OF THE SAME
