Recent
Class
Inventors
Assignees
Top Lists
Pricing
Account
Patents-Review.com
Home
Classification
B22C
B22C21/00
B22C21/04
ClassID:
39544
⎘
B22C21/04 - CPC Classification
Classification description:
Flasks; Accessories therefor Upset frames; Bottom boards or mould boards
Sub-classes:
B22C21/06 »
Bottom boards or mould boards
0