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SL-1801
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1.
Several
months
after
Sino Legend
began
commercial
production
of
its
SL-1801
tackifier
in
late
2007
,
the
company
filed
for
a
Chinese
patent
.
华奇
于
2007年
年底
开始
商业化
生产
其
增
粘
剂
“
SL-1801
”
,
几个
月
之后
又
在
中国
申请
了
一
项
专利
。
huá qí
yú
èr líng líng qī nián
nián dǐ
kāi shǐ
shāng yè huà
shēng chǎn
qí
zēng
zhān
jì
"
SL- yāo bā líng yāo
"
,
jǐ gè
yuè
zhī hòu
yòu
zài
zhōng guó
shēn qǐng
le
yī
xiàng
zhuān lì
。
c.wsj.com