DEVICES, FOR USE IN FREE PISTON MACHINES, TO INDICATE WHEN THE MAXIMUM PRESSURE IN THE POWER UNIT CYLINDERS OF SUCH MACHINES EXCEEDS A PREDETERMINED VALUE
摘要
申请公布号
CA626188(A)
申请公布日期
1961.08.22
申请号
CAD626188
申请日期
申请人
SOCIETE D'ETUDES ET DE PARTICIPATIONS EAU, GAZ, ELECTRICITE, ENERGIE S.A .
