AMIT KUMAR PRAJAPAT,RAJAGOPAL RAGHAVENDRIEN,LAKSHMANAN MARIMUTHU,THIRUNAVUKILARASU GURUNATHAN
申请号：
IN201731004962
公开号：
IN201731004962A
申请日:
2017.02.11
申请国别(地区):
IN
年份:
2018
代理人:
摘要：
An apparatus for improving geometric unsharpness (µg) in radiography testing of butt welds in boilers, comprises: radioactive source (1) with cylindrical shape a disc or plate (2) acts as an obstruction to radioactive source which further comprises a hole (3) of a small diameter, through which the radiation can pass on.
