A
·
B
·
C
·
D
·
E
·
F
·
G
·
H
·
I
·
J
·
K
·
L
·
M
·
N
·
O
·
P
·
Q
·
R
·
S
·
T
·
U
·
V
·
W
·
X
·
Y
·
Z
·
·

Directory Results for Bulletin SST 055 Petroleum and Natural Gas Industry. On July 31, 2001, qualifying production machinery and equipment became exempt from social service tax to Bulletin SST 055 Petroleum and Natural Gas Industry. On July 31, 2001, qualifying production machinery and equipment became exempt from social service tax