ID19966A - Bola-bola berongga yang tahan pengausan tuangan
- Google Patents
Bola-bola berongga yang tahan pengausan tuangan
Info
Publication number
ID19966A
ID19966AIDP972940AID972940AID19966AID 19966 AID19966 AID 19966AID P972940 AIDP972940 AID P972940AID 972940 AID972940 AID 972940AID 19966 AID19966 AID 19966A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Babcock & Wilcox CofiledCriticalBabcock & Wilcox Co
Priority to IDP972940ApriorityCriticalpatent/ID19966A/id
Publication of ID19966ApublicationCriticalpatent/ID19966A/id