|
CN104988415A
|
|
4C material casting and thermal treatment method
|
|
CN104972071A
|
|
Recyclable combined core bar
|
|
CN104588580A
|
|
Sand tank for sand molding casting and sand molding casting process using sand tank thereof
|
|
CN104569003A
|
|
Turning device for radiographic testing
|
|
CN104550756A
|
|
Sand core of pipe mould
|
|
CN104525867A
|
|
Method for enhancing feeding capacity of casting riser and riser oil core assembly thereof
|
|
CN104525866A
|
|
Device and method for preventing molten steel oxidation during pouring by utilizing CO2 gas
|
|
CN104313260A
|
|
Tempering process of high alloy steel track plate of large engineering machinery
|
|
CN104400180A
|
|
Repair welding process of high alloy steel track shoe
|
|
CN104368752A
|
|
Method for casting special high-alloy steel track shoe for large mining machinery
|
|
CN104118133A
|
|
Adjustable die
|
|
CN104048898A
|
|
Method for detecting igloss amount of cast heat-preservation dead head
|
|
CN104043783A
|
|
Small-caliber high-class valve body casting core
|
|
CN104001855A
|
|
Anti-racking wooden mold core box
|
|
CN104032101A
|
|
CF8C material heat treatment technology for valve of high pressure hydrodesulfurization apparatus
|
|
CN103480834A
|
|
Device and method for utilizing argon flow to protect molten steel injection flow
|
|
CN103521411A
|
|
Method for brushing coatings on sand mould cores of hydrogenation valve carbon steel castings
|
|
CN103480802A
|
|
Novel sand core with steel plate
|
|
CN103525974A
|
|
Smelting method for producing duplex stainless steel casting CD3MN with intermediate frequency furnace
|
|
CN103433426A
|
|
Casting wood former structure of support supporting riser bush
|
