|
US2736097A
(en)
|
|
coleman |
|
US3205584A
(en)
|
|
Magnifying means for flexible scales
|
|
BE452788A
(enrdf_load_stackoverflow)
|
|
|
|
CN217484018U
(zh)
|
|
一种杨氏模量实验仪
|
|
US4410267A
(en)
|
|
Hand-held lens meter
|
|
US1567224A
(en)
|
|
Weighing implement the deflection of which is made visible or enlarged by optical means
|
|
CH246292A
(fr)
|
|
Balance à lecture optique.
|
|
US1671709A
(en)
|
|
Measuring instrument
|
|
CH375909A
(fr)
|
|
Dispositif de détermination de la position d'un organe mobile de machine
|
|
US2074384A
(en)
|
|
Precision balance
|
|
US3238838A
(en)
|
|
Viewing and illuminating device
|
|
US2583690A
(en)
|
|
Variable reflex optical projection system for weighing scales
|
|
US3497381A
(en)
|
|
Scale with indicators of the price and the weight of the commodity
|
|
BE389592A
(enrdf_load_stackoverflow)
|
|
|
|
US3249164A
(en)
|
|
Weighing scale with releasable torsion spring for zero and full capacity adjustments
|
|
US2137776A
(en)
|
|
Hand level
|
|
BE402852A
(enrdf_load_stackoverflow)
|
|
|
|
Curley
|
|
Letters to the editor [description of a reflecting sector] |
|
GB129953A
(en)
|
|
Weight Indicator for Weighing Scales.
|
|
Powell Jr
|
|
Photoelectric Measurements of the Absorption of Fused and Crystalline Quartz Between 1633 and 1463A |
|
US3552844A
(en)
|
|
Optical weighing scale
|
|
BE422923A
(enrdf_load_stackoverflow)
|
|
|
|
JPS6228968Y2
(enrdf_load_stackoverflow)
|
|
|
|
RU2006792C1
(ru)
|
|
Устройство для измерения радиусов кривизны поверхности детали
|
|
US3586447A
(en)
|
|
Split image measuring device for a microscope
|