FR405590A -
Improvements relating to the manufacture of shovels, beakers and other similar articles as well as rolling mill rolls for this purpose
- Google Patents
Improvements relating to the manufacture of shovels, beakers and other similar articles as well as rolling mill rolls for this purpose
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B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
B21H7/00—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons
B21H7/02—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons spades; shovels
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Agronomy & Crop Science
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Mechanical Engineering
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FR405590D1908-11-191909-07-30
Improvements relating to the manufacture of shovels, beakers and other similar articles as well as rolling mill rolls for this purpose
ExpiredFR405590A
(en)
Improvements in the manufacture of countersunk bolts and their nuts, as well as these bolts and nuts themselves, and application of these improvements to turnbuckles