Hardness tester with indenter of hard metal or compound and osillating crown for testing at high load and method of comparative assessment of the hardness/depth profile
EP0668996A1
Electrical resistance hardness tester for metallic materials
ITVA930019D0
Portable hardness meter
WO9208119A1
Hardness tester and method for measuring the hardness of metallic materials
IT8983640D0
Raft for the interception and accumulation of floating mucilaginous agents and for the oxygenation of water
EP0283684A1
A driving device for a hardness measuring instrument
CH645189A5
Hand-operated portable hardness meter.
CH628985A5
Hardness meter with safety locking device.
DE2707873A1
Rockwell type hardness tester - having mechanism to amplify relative movement between test surface and pressure tip
DE2707939A1
Direct reading hardness tester - uses spring loaded plunger mounted in frictionless bearings operating balanced lever on dial
DE2609628A1
Manually operated hardness tester - with total and reference force helical springs designed to avoid spring misalignment errors
CH593487A5
Manually operated materials hardness tester - has direct reading dial on top of concentric cylinder plunger mechanism
CH591075A5
Manually operated materials hardness tester - has direct reading dial on top of concentric cylinder plunger mechanism
GB1173931A
A Flapping Wing Propelled Apparatus for Carrying a Man
US3498574A
Fluttering wing aerial propelled apparatus suitable for carrying a man
GB1079305A
Hardness measuring apparatus
GB1017014A
Internal combustion engine
ES249267A1
Hardness meter, especially for metals (Machine-translation by Google Translate, not legally binding)
GB899461A
Hardness measuring apparatus
GB895747A
Terrestrial globe with inner lighting simulating the real illumination of the sun
